We seek to understand and document all radio transmissions, legal and otherwise, as part of the radio listening hobby. We do not encourage any radio operations contrary to regulations. Always consult with the appropriate authorities if you have questions concerning what is permissable in your locale.

Author Topic: 11 meter activity Voice and Paging Data Signals via GB3WB KiwiSDR 21 June 2022  (Read 161 times)

Offline R4002

  • Moderator
  • DXing Phenomena
  • *****
  • Posts: 2749
    • View Profile
    • R4002 - YouTube Videos
Tuned in at 1320 UTC June 21st 2022 - 11m is wall to wall.  In fact, 25 to 30 MHz is literally full of signals



25675 kHz 25.675 MHz FM - Voice traffic
26155 kHz 26.155 MHz FM - Voice traffic
26200 kHz 26.200 MHz - Very powerful pager signal
26900 kHz 26.900 MHz - Numerous paging signals
26905 26.905 MHz - Data bursts, mixing with FM voice, numerous signals on frequency
26915 26.915 MHz - Data bursts, 5 kHz wide, very strong
26925 26.925 MHz - Data bursts, 8-10 kHz wide every 1/2 second or so, very strong



29700 kHz 29.700 MHz USB - Strong FSK signal, center frequency 29.701 MHz 29701 kHz
29702 kHz 29.702 MHz USB - Strong FSK signal, center frequency 29.7035 MHz 29703.5 kHz
29704 kHz 29.704 MHz USB - Strong FSK signal, center frequency 29.705 MHz 29705 kHz
29750 kHz 29.750 MHz - Pager signals - carrier, then paging signal burst
29824 kHz 29.824 MHz USB - Strong FSK signal, center frequency right on 29.825 MHz 29825 kHz
29850 kHz 29.850 MHz - Paging signals
29868 kHz 29.868 MHz USB - Strong FSK signal, center frequency 29.8695 MHz 29896.5 kHz
29875 kHz 29.875 MHz FM 29875 FM signal, French language, UNID users - land mobile or freebanders
29900 kHz 29.900 MHz - Paging signal - very strong bursts
29985 kHz 29.985 MHz FM 29985 FM signal, French language, UNID users
30100 kHz 30.100 MHz POCSAG Paging signal, bursts
30105 kHz 30.105 MHz AM 30105 AM signal, freebanders or land mobile?
30155 kHz 30.155 MHz Data bursts, probably pager signal, 8-10 kHz wide
30175 kHz 30.175 MHz FM 30175 FM - French language - land mobile? Military freq 30.175 MHz
31325 kHz 31.325 MHz - Data bursts or paging signals - very strong - UK hospital paging medical paging?
31437.5 kHz 31.4375 MHz - Data bursts or paging signals - very strong
31512.5 kHz 31.5125 MHz - Data bursts - seems similar to the signals on 31.4375 MHz / 31437.5 kHz
31725 kHz 31.725 MHz - POCSAG paging signals - UK hospital pager paging frequency
31750 kHz 31.750 MHz - POCSAG paging signals - UK hospital pager paging frequency
31775 kHz 31.775 MHz - POCSAG paging signals - UK hospital pager paging frequency


Tuned back in at 1730 UTC

25.785 MHz FM 25.785 FM - Two-way radio chatter, sounds like taxi cab dispatcher or similar
25.800 MHz AM 25.8 MHz AM 25800 kHz - Music (broadcaster, I think)
25.855 MHz USB 25.855 MHz USB - Freebanders using 25 MHz band
26.065 MHz AM 26.065 AM - Italian language CB freebanders
26.115 MHz FM 26.115 FM - Two-way radio chatter, likely a taxi cab dispatcher dispatch lady
26.115 MHz - Two-frequency FSK signals
26.145 MHz - FSK data bursts 26145 kHz
26.150 MHz - Paging
26.165 MHz - FSK data bursts 26165 kHz
26.200 MHz - Paging - extremely strong signals
26.235 MHz - Paging signals and data bursts, noted offset signals, 26.2375 MHz 26.238 MHz
26.250 MHz - Paging signals
26.265 MHz FM - 26.265 FM - Weak FM signal, getting obliterated by OTHR 26.2 MHz to 26.35 MHz
26.335 MHz FM - 26.335 FM - Weak FM signal, getting obliterated by OTHR 26.2 MHz to 26.35 MHz
26.350 MHz - Paging signals
26.375 MHz USB - 11m freeband CB activity
26.385 MHz USB - 11m freeband CB activity, Polish or Russian?
26.415 MHz USB - Extremely busy frequency
26.435 MHz USB - Extremely busy frequency
26.440 MHz USB - Extremely busy frequency
26.445 MHz USB - Extremely busy frequency, similar to the other nearby active frequencies
26.455 MHz USB - Russian or Polish? very busy
26.465 MHz USB - Russian or Polish? very busy
26.500 MHz - Paging signals - absolutely destroying the guys on 26.505 MHz USB during the data bursts
26.505 MHz USB - Polish (I think?)
26.520 MHz - FSK signal - narrowband
26.525 MHz FM - 26.525 FM - Multiple signals at once, hearing German language in there
26.550 MHz - Paging - strong signals
26.635 MHz - Paging, nearly constant signals
26.645 MHz FM - FM CB activity
26.655 MHz FM - FM CB activity
26.665 MHz FM - FM CB activity
26.695 MHz - Paging
26.705 MHz - Paging, very strong
26.745 MHz - Paging - solid S7, peaking at S9 or S9+10
26.750 MHz - Paging
26.755 MHz - Paging - POCSAG signals - multiple signals at once
26.815 MHz FM - 26.815 FM - Italian language mixing in with pager data bursts
26.815 MHz - Paging signals
26.835 MHz - Paging signals
26.900 MHz - Data bursts (wide signals) and POCSAG pager signals
26.915 MHz - Data bursts, mixing with FM CB voice signals
26.945 MHz - Data bursts and paging (QRM from 26950 kHz 26.950 MHz)
26.950 MHz - Very strong data bursts (various bandwidths)
26.955 MHz - Paging and data bursts, mixing in with FM CB chatter

27.069 MHz - Narrowband FSK bursts, some QRM from strong signals on 27.065 MHz and 27.075 MHz FM
27.100 MHz - Narrowband FSK or telemetry signal - 4-5 kHz wide, FM CB chatter mixing in
27.130 MHz USB - Italian language CBers, mixing with FSK signals on same frequency
27.235 MHz - Packet radio, data bursts and all sorts of other stuff (also on 27.245 MHz)
27.245 MHz - Very messy, CB Channel 25
27.255 MHz - FM voice, data bursts of various types...lots of QRM
27.350 MHz - Paging signals, mixing with AM, FM and SSB signals on 27.345 MHz, 27.350 MHz and 27.355 MHz
27.355 MHz - FSK data bursts, basically identical to the ones heard on 27.255 MHz during US band openings

27.97125 MHz 27971.25 FM - UK FM CB Channel 38 - Very busy
27.98125 MHz 27981.25 FM - UK FM CB Channel 39 - Very busy
27.985 MHz USB 27.985 USB - French language chatter, good signals!
27.99125 MHz 27991.25 FM - UK FM CB Channel 40 - Very busy

29.750 MHz - Paging signals, fair signals
29.770 MHz - 29.770 FM - Weak FM signal noted, likely land mobile given the frequency
29.780 MHz - FSK signal - idle carrier transmitted
29.800 MHz - Paging signals - basically constant, very strong signals at points
29.850 MHz - Paging signals
29.870 MHz - FSK signal - center frequency pretty darn close to being right on 29870.0 kHz
29.875 MHz - 29.875 FM - French language, probably the same guys heard earlier today
29.885 MHz - 29.885 MHz FM - French language chatter, not sure if these are freebanders or land mobile users
29.905 MHz USB - FSK signal, 29.906 MHz or 29.907 MHz center frequency
29.900 MHz - Paging signals - similar to those previously monitored in the 29.7 MHz to 30.0 MHz "sliver"
29.925 MHz FM 29.925 FM - Two-way radio chatter, UNID language, data bursts beginning of transmission
29.940 MHz FM 29.940 FM - Two-way radio chatter, end of transmission beep (odd frequency for freebanders)
29.965 MHz USB - FSK signal - 29.967 MHz or 29.968 MHz center frequency
30.020 MHz - Data bursts, likely paging signals
30.050 MHz - FSK signals, probably paging?
30.100 MHz - Paging signals, 6 kHz bandwidth, very strong at points 
30.450 MHz - Data bursts, 6-7 kHz wide
30.450 MHz - 30.450 FM - Very weak FM voice signals noted
31.1875 MHz - 31.1875 FM - FM voice comms, unknown language, heavy fading
31.325 MHz - 31.325 FM - Numerous short data bursts, reminds me of ROS data mode
31.475 MHz - 31.475 FM - FM voice (UNID language) with polytone burst at beginning of transmission
31.500 MHz - Pager - narrowband (sort of) - 4-5 kHz bandwidth
31.5375 MHz - 31.5375 FM - Short data bursts and weak NFM voice chatter
31.6875 MHz - 31.6875 FM - Numerous short data bursts - similar to signals heard on 31.325 MHz
31.725 MHz - POCSAG paging signals - UK hospital pager paging frequency
31.750 MHz - POCSAG paging signals - UK hospital pager paging frequency
31.775 MHz - POCSAG paging signals - UK hospital pager paging frequency
31.900 MHz - 31.900 FM - FM voice, NFM, sounds like a land mobile system, heavy fading, unable to ID language
31.975 MHz - 31.975 FM - FM voice, beginning-of-transmission burst (similar to 31.475 MHz) land mobile
« Last Edit: June 21, 2022, 1908 UTC by R4002 »
U.S. East Coast, various HF/VHF/UHF radios/transceivers/scanners/receivers - land mobile system operator - focus on VHF/UHF and 11m

 

HFUnderground T-Shirt
HFUnderground Garden Flag
by MitchellTimeDesigns